.fv-calculator-standard-main {
    background-color: #f1f1f1;
    margin: 0 auto;
    box-shadow: 0px 0px 15px #4d4d4d;
}

.fv-calculator-standard-main ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

.fv-calculator-standard-main li {
    float: left;
    text-align: center;
    cursor: pointer;
}

.fv-calculator-standard-main li img {
    height: 14px;
}

.fv-calculator-standard-main .fv-calculator-title {
    padding: 5px 0;
    height: 30px;
    line-height: 30px;
    font-size: 18px;
    margin-left: 10px;
}

.fv-calculator-standard-main .fv-calculator-result {
    height: 140px;
    text-align: right;
    width: 100%;
}

.fv-calculator-standard-main .fv-calculator-result-out {
    /* width: 335px; */
    margin: 0 5px;
    height: 48px;
    overflow: hidden;
}

.fv-calculator-standard-main .fv-calculator-second {
    font-size: 42px;
    font-weight: bold;
    overflow-y: auto;
    white-space: nowrap;
    text-align: right;
}

.fv-calculator-standard-main .fv-calculator-pre {
    color: #A7A7A7;
    padding: 0 20px;
    font-size: 16px;
    height: 24px;
    width: 100%;
    overflow: hidden;
    position: relative;
    z-index: 99;
}

.fv-calculator-standard-main .fv-calculator-pre .fv-calculator-pre-left {
    width: 16px;
    text-align: center;
    line-height: 20px;
    height: 24px;
    position: absolute;
    z-index: 101;
    left: 0;
    top: 0;
    font-weight: 600;
    cursor: pointer;
    background: #f1f1f1;
}

.fv-calculator-standard-main .fv-calculator-pre .fv-calculator-pre-right {
    width: 16px;
    text-align: center;
    line-height: 20px;
    height: 24px;
    position: absolute;
    z-index: 101;
    right: 0;
    top: 0;
    font-weight: 600;
    cursor: pointer;
    background: #f1f1f1;
}

.fv-calculator-pre .fv-calculator-pre-content {
    text-align: right;
    height: 24px;
    line-height: 24px;
    white-space: nowrap;
    overflow-y: auto;
    overflow-x: hidden;
}

.fv-calculator-pre-left:hover,
.fv-calculator-pre-right:hover {
    color: #1853d1;
    background: #9b9b9b;
}

/*计算器类型*/

.fv-calculator-standard-main .fv-calculator-type {
    height: auto;
    text-align: left;
    font-weight: bold;
    margin: 10px 0 20px 10px;
    font-size: 22px;
}

/*类型选择侧边栏*/
.fv-calculator-standard-main .fv-calculator-type-bar {
    /* display: none; */
    height: 90px;
    width: 100px;
    position: absolute;
    top: 110px;
    background-color: #E6E6E6;
}

.fv-calculator-standard-main .fv-calculator-type-bar li {
    float: left;
    width: 100px;
    text-align: center;
    line-height: 30px;
}

.fv-calculator-standard-main .active {
    background-color: #CFCFCF;
}

/*数字加粗*/

.fv-calculator-standard-main .fv-calculator-number {
    font-weight: bold;
    border: 1px solid #fff !important;
    background: #fff !important;
}

.fv-calculator-standard-main .fv-calculator-number:hover {
    border: 1px solid #f1f1f1 !important;
    background: #c6c6c6 !important;
}

.fv-calculator-standard-main .fv-calculator-operator:hover {
    border: 1px solid #f1f1f1 !important;
    background: #82bceb !important;
    color: #fff;
}

.fv-calculator-standard-main .fv-calculator-letter {
    font-size: 16px;
}

/*共用部分结束*/

/*计算器标准版界面*/

.fv-calculator-standard-main {
    width: 500px;
    height: 460px;
}

#fv-calculator-num-symbol {
    height: 270px;
    font-size: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
/* .container {
  width: 23%;
  padding-bottom: 23%;
  position: relative;
}

.content {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  /* 这里可以添加其他样式，如背景颜色、边框等 */

#fv-calculator-num-symbol li {
    line-height: 48px;
    width: 23%;
    margin: 5px 0 0 5px;
    background: #dedede;
    border: 1px solid #dedede;
    list-style-type: none;
}

#fv-calculator-num-symbol li:hover {
    background: #c6c6c6;
    border: 1px solid #f1f1f1;
}